# Copyright (c) 2021 - present / Neuralmagic, Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import logging


_LOGGER = logging.getLogger(__name__)

__all__ = ["SessionStorageKVCache"]


class SessionStorageKVCache(dict):
    """
    A storage that stores the kv cache sessions.
    Each session is a DecoderKVCache object that
    stores the state of the kv cache.
    The storage is a dictionary that where keys are session_ids
    and values are of all the active sessions.
    """
